PlzNavigate: detect when a ServiceWorker is present

content/browser/service_worker/service_worker_navigation_handle_core.h

Index: content/browser/service_worker/service_worker_navigation_handle_core.h
diff --git a/content/browser/service_worker/service_worker_navigation_handle_core.h b/content/browser/service_worker/service_worker_navigation_handle_core.h
deleted file mode 100644
index 88e5013c9d20ac5fb2b5d735023f84eab912e250..0000000000000000000000000000000000000000
--- a/content/browser/service_worker/service_worker_navigation_handle_core.h
+++ /dev/null
@@ -1,58 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_NAVIGATION_HANDLE_CORE_H_
-#define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_NAVIGATION_HANDLE_CORE_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
-
-namespace content {
-
-class ServiceWorkerContextWrapper;
-class ServiceWorkerNavigationHandle;
-class ServiceWorkerProviderHost;
-
-// PlzNavigate
-// This class is used to manage the lifetime of ServiceWorkerProviderHosts
-// created during navigations. This class is created on the UI thread, but
-// should only be accessed from the IO thread afterwards. It is the IO thread
-// pendant of ServiceWorkerNavigationHandle. See the
-// ServiceWorkerNavigationHandle header for more details about the lifetime of
-// both classes.
-class ServiceWorkerNavigationHandleCore {
- public:
-  ServiceWorkerNavigationHandleCore(
-      base::WeakPtr<ServiceWorkerNavigationHandle> ui_handle,
-      ServiceWorkerContextWrapper* context_wrapper);
-  ~ServiceWorkerNavigationHandleCore();
-
-  // Called when a ServiceWorkerProviderHost was pre-created for the navigation
-  // tracked by this ServiceWorkerNavigationHandleCore. Takes ownership of
-  // |precreated_host|.
-  void DidPreCreateProviderHost(
-      std::unique_ptr<ServiceWorkerProviderHost> precreated_host);
-
-  // Called when the renderer created a ServiceWorkerNetworkProvider matching
-  // |precreated_host_|. This releases ownership of |precreated_host_|.
-  std::unique_ptr<ServiceWorkerProviderHost> RetrievePreCreatedHost();
-
-  ServiceWorkerContextWrapper* context_wrapper() const {
-    return context_wrapper_.get();
-  }
-
- private:
-  std::unique_ptr<ServiceWorkerProviderHost> precreated_host_;
-  scoped_refptr<ServiceWorkerContextWrapper> context_wrapper_;
-  base::WeakPtr<ServiceWorkerNavigationHandle> ui_handle_;
-
-  DISALLOW_COPY_AND_ASSIGN(ServiceWorkerNavigationHandleCore);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_NAVIGATION_HANDLE_CORE_H_